import javax.swing.*;
import java.awt.*;

public class eg9_2 {
    public static void main(String[] args) {
        FlowLayoutFrame frame1 =new FlowLayoutFrame();
    }

    public static class FlowLayoutFrame extends JFrame {
        private JButton button1;
        private JButton button2;
        private JButton button3;
        private JButton button4;
        private JButton button5;
        public FlowLayoutFrame(){
            button1 =new JButton("Button1");
            button2 =new JButton("Button2");
            button3 =new JButton("Button3");
            button4 =new JButton("Button4");
            button5 =new JButton("Button5");
            this.setLayout(new FlowLayout(FlowLayout.CENTER,50,20));
            this.add(button1);
            this.add(button2);
            this.add(button3);
            this.add(button4);
            this.add(button5);
            this.setTitle("FlowLayout流式布局");
            this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            this.setSize(600,400);
            this.setLocation(100,50);
            this.setVisible(true);
        }
    }
}
